1759. 19" long:
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1760. 9" long, patented in 1951:
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1761. 10-1/2" long:
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1762. Sent in by a visitor, text on it reads DC10, 767, and 380:
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1763. The round part is 2" diameter, on Thursday morning take a look at Neatorama for more guesses on this one:
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1764. Submitted by a visitor who is looking to find the purpose of this item, the jar has no bottom but is ground perfectly flat, it measures 5" diameter x 12" tall, the brass fitting is 3-1/2" x 11", the tube measures 5/32" I.D. and is grooved as if a tube would be attached. Brackets at the ends of the arms apparently would clamp 1/4" rods.
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Answers
To submit photos, send them to the address in my profile.
Last week's set is seen below, click here to view the entire post.
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Black Ops Pro Tips
More discussion and comments on these photos can be found at the newsgroup rec.puzzles.